Want to make your post-flop decisions easier in cash games? Enter SPR, or Stack-to-Pot Ratio.

Ed Miller, et al, coined this term in "Professional No Limit
Hold’em: Volume I," which is a book I highly recommend. Lots of useful stuff
there for the strong intermediate player to take in. Among the good stuff is
the concept of SPR:

__SPR = Size of the effective stack divided by the pot size on the flop.__
For example, let's say you raise to $8 in a $1/2 NL cash game, where everyone started with $200 stacks. Only one field player calls, and both blinds fold. There is no rake. What's the SPR?

The pot size is: $8 + $8 + $1 + $2 = $19.

The effective stack size is: $200 - $8 = $192.

The SPR is therefore: $192 / $19 = 10.1

When calculating SPR, you must use the effective stack size. If you had $200 to start this hand example, but your opponent only had $100, the effective stack size after the flop would have been $100 - $8 = $92, and therefore the SPR would have been $92 / $19 = 4.8.

Also note that SPR is calculated only on the flop,

In the next installment of this topic, I will show how SPR is essentially a measure of the risk and reward of a hand. More importantly, I'll start to show how it's a powerful tool we can use to help estimate our

All-in for now...

-Bug

When calculating SPR, you must use the effective stack size. If you had $200 to start this hand example, but your opponent only had $100, the effective stack size after the flop would have been $100 - $8 = $92, and therefore the SPR would have been $92 / $19 = 4.8.

Also note that SPR is calculated only on the flop,

__prior__to any flop betting. It is not used on the turn or river.In the next installment of this topic, I will show how SPR is essentially a measure of the risk and reward of a hand. More importantly, I'll start to show how it's a powerful tool we can use to help estimate our

*pot commitment*level in a hand, and how it can therefore be used to help us__plan__to get stacks into the middle early in a hand. In other words, we'll use SPR to try to create situations where we (and/or our opponents) become committed (or not). Stay tuned.All-in for now...

-Bug

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